2023 Audi A6 Avant 2.0 TFSI S Line

Overview

• Make: Audi
• Model: A6 Avant
• Trim: S Line
• Version: 2.0 TFSI 40 S Line S tronic FWD Euro 6 (s/s) 5dr (201 bhp)
• Year: 2023
• Mileage: 24,856 miles
• Fuel: Petrol
• Body: Estate, 5 doors, 5 seats
• Engine: 2.0 litres, 201 bhp
• Gearbox: Automatic (S tronic)
• Drive: Front-wheel drive
• Colour: Black
• CO2: 169 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

At 24,856 miles, this 2023 Audi A6 Avant S Line has covered about 9,700 fewer miles than other 2023 Audi A6 Avant cars. The dealer is asking £26,460, which is £37 above the AskCar estimate of £26,423. To work out the AskCar estimate, we analyse UK dealer adverts for 785 Audi A6 Avant cars across different ages and specifications. Since we first spotted the advert 13 days ago, the asking price has dropped by £158. The government's MOT record matches its advertised mileage. It is advertised by Lookers Audi Teesside in Stockton-on-Tees. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £37 (under 1%) over the AskCar estimate of £26,423.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 785 priced Audi A6 Avant adverts across different ages and specifications, as of 5 November 2026.

A 2023 Audi A6 Avant with the 2.0 petrol engine is typically advertised at £25,300: the median of the 97 for sale on AskCar, as of 5 November 2026.

Time on sale

This 2023 Audi A6 Avant has been on sale for at least 13 days.

Price history

AskCar first saw this advert on 23 October 2026 at £26,618. Its asking price is now £26,460, £158 less. The latest price cut was seen on 27 October 2026.

Price changes recorded:

• 23 October 2026: £26,618
• 27 October 2026: £26,460

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 12 April 2027.

It has had one MOT, on 25 March 2026, and passed.

There were no advisories at the latest test.

Mileage at that test: 22,889 miles, which matches the advertised 24,856 miles.

Advertised mileage is about 9,700 miles lower than the median mileage of a 2023 Audi A6 Avant on AskCar.

Similar cars

18 other 2023 Audi A6 Avant S Line 2.0 petrol automatic estates are for sale at UK dealers, from £21,495 to £27,999, as of 5 November 2026.

The 3 closest to this car in mileage:

• 2023 Audi A6 Avant S Line, 2.0 petrol estate, blue. Mileage: 24,110 miles. Price: £24,799, £1,661 less than this car. Dealer: Fords Of Winsford Car Supermarket in Winsford. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-a0a3b40c44ed
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 28,106 miles. Price: £25,499, £961 less than this car. Dealer: Lookers Audi Ayr in Prestwick. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-e45bbc5f9f8e
• 2023 Audi A6 Avant S Line, 2.0 petrol estate, black. Mileage: 21,500 miles. Price: £26,599, £139 more than this car. Dealer: Lookers Audi Tyneside in Tynemouth. AskCar page: https://askcar.co.uk/car/audi-a6-avant-2023-d6efb33546d3